gpio: loongson1: remove redundant return value check

Remove unneeded error handling on the result of a call
to platform_get_resource() when the value is passed to
devm_ioremap_resource().

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-loongson1.c b/drivers/gpio/gpio-loongson1.c
index ad0a595..72b6403 100644 (file)
--- a/drivers/gpio/gpio-loongson1.c
+++ b/drivers/gpio/gpio-loongson1.c
@@ -56,11 +56,6 @@ static int ls1x_gpio_probe(struct platform_device *pdev)
                return -ENOMEM;
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       if (!res) {
-               dev_err(dev, "failed to get I/O memory\n");
-               return -EINVAL;
-       }
-
        gpio_reg_base = devm_ioremap_resource(dev, res);
        if (IS_ERR(gpio_reg_base))
                return PTR_ERR(gpio_reg_base);